2020s
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2026.06
Achieved IEC 62443-4-1 Certification for OT Cybersecurity
2026.04
Developed 400kV 460MVA Eco-friendly Ester-filled Transformer
2025.10
Obtained UL and cUL Certifications for Four Types of Medium- and Low-Voltage Circuit Breakers
2025.06
Commercialization and Deployment of HiPDS for Marine Applications2025.02
Winner of the iF Design Award and the Red Dot Design Award for HiPDS
2024.06
Developed Permanent Magnet Shaft Generator (4–5MW Class)
2023.10
Obtained Green Certification for SF₆-Free 170kV GIS
2022.11
Eco-friendly high-voltage circuit breaker and CEMS (Complex Energy Management System) win 2023 CES Innovation Awards (CEMS: 2 Awards)
2022.03
Developed Korea's first 3-phase gas transformer for KEPCO
2021.06
Developed the Korea's first 170kV eco-friendly GIS with its own technology
2020.03
Localized Korea's first low-pressure induction motor SSEN series
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2026.05
Achieved IEC 60044 and IEC 61869 Certifications for SF₆-Free 72kV and 145kV GIS LPITs2025.11
Gold Award in the BIXPO Innovation Category for HiESS2025.07
Type Approval Certificate Award for 3 MVA Low Voltage Variable Frequency Drive
2025.05
Received the IR52 Jang Young-sil Award for the DPRS Transformer
2024.12
Received the US$1 Billion Export Tower Award2024.01
Developed SF₆-Free 145kV 40kA 50Hz GIS
2023.06
Developed Permanent Magnet Shaft Generator(2MW Class)
2022.10
Successful commercialization of 1MW LVDC system
2022.09
SF₆-Free eco-friendly switchgear acquired green certification
2021.11
Developed Korea's first 'large-capacity permanent magnet type shaft generator'
2020.09
Localization of Korea's first 'large-capacity high-speed synchronous motor'
2010s
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2019.10
Developed Korea's first large-capacity power explosion-proof transformer(DPRS)
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2019.10
Won the Low Voltage Motor '2019 Excellent Design(GD)'
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2018.04
Built the World's Largest(150MWh) Energy Storage System(ESS) in Korea Zinc Ulsan Factory
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2017.11
Supply and Operate for HHI’s 51.5MWh ESS Center2017.07
Won the World Largest(150MWhs) Energy Storage System Contract
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2015.12
Won 2016 iF Design Award for its Medium/low voltage circuit breaker HG Series
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2015.03
Largest step-up transformer in Korea(3Ph, 1250MVA) produced and supplied
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2014.12
Short-circuit tests for the first 500 kV transformers completed2014.04
Total production of transformers surpasses 1,000,000MVA -
2014.11
Won the "Jang Young-Shil Award" for its Rotating electric machinery centrifugal2013.04
Hyundai's largest capacity transformer(3Ph, 1500MVA) supplied to Powerlink Australia
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2012.12
345kV more shunt reactor selected as a world-class product
2010.12
Total production of transformers surpasses 700,000MVA2010.12
Selected as "Korean World-class Product Award" by Ministry of Commerce, Industry and Energy Republic of Korea(145kV GIS)
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2012.01
Total production of transformers surpasses 800,000 MVA2011.12
Ex d/de/db/dbeb IIB/C Motor selected as a world-class product
2010.05
Won the largest contract to date with the United States SCE for $600 million of domestic transformers
2000’s
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2009.12
Selected as "Korean World-class Product Award" by Ministry of Commerce, Industry and Energy Republic of Korea(A control & monitoring system for ships)2008.10
Successfully supplied TPRS(Tank Pressure Relief System) Transformer2008.10
Korea's largest number of explosion-proof motors internationally certified(IECEx Scheme) -
2009.08
Award for Power Transmission Equipment Company of the Year from Frost & Sullivan2008.12
Selected as "Korean World-class Product Award" by Ministry of Commerce, Industry and Energy Republic of Korea(High Thruster Motor for ship)
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2007.12
Selected as "Korean World-class Product Award" by Ministry of Commerce, Industry and Energy Republic of Korea(Ship Switchboard)
2005.12
Korea's first IECEx certification for motors2004.05
Selected as "Korean World-class Product Award" by Ministry of Commerce, Industry and Energy Republic of Korea (Synchronous Generator for Marin Application)
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2007.08
Total production of transformers surpasses 400,000 MVA2006.07
Selected as "Korean World-class Product Award" by Ministry of Commerce, Industry and Energy Republic of Korea (200kV~400kV Class Large Power Transformers)
2001.06
First commercial use operation of 765 kV ultra-high-voltage transformer in Korea








